Chemistry, 07.05.2021 02:10, blakestuhan
Write a five-sentence paragraph focusing on the mining industry that supports or refutes this statement: "Mining is all about collecting and separating pure substances from mixtures.
Answers: 2
Chemistry, 21.06.2019 15:00, asims13
Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.
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Chemistry, 21.06.2019 22:30, officialgraciela67
Embryos of different species look very similar, which shows that the organisms share a ancestor.
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Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 04:30, earcake2470
How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
Answers: 1
Write a five-sentence paragraph focusing on the mining industry that supports or refutes this statem...
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